Medium severity · published Nov 16, 2022
CVE-2022-39347
FreeRDP is a free remote desktop protocol library and clients
5.7
CVSS
1%
EPSS
No
On KEV
Description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or `+home-drive` redirection switch.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
36; 37 · source: NVD
FR
Freerdp · Freerdp
before 2.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39347
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39347
Patch
https://github.com/FreeRDP/FreeRDP/commit/027424c2c6c0991cb9c22f9511478229c9b17e5d
Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c5xq-8v35-pffg
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/
security.gentoo.org
https://security.gentoo.org/glsa/202401-16
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